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Coronal

Annotated depiction of the arterial feeder, nidus and venous drainage.

Case Discussion

Imagine the luck of this boy. He had an incidental head injury. No post injury symptoms, but anxious parents said let's do a head CT trauma protocol. CT technician flagged left frontal subarachnoid hemorrhage. I reviewed the images and immediately realized this is an abnormal vessel. Let's just do a venogram. And that revealed this tuft of vessels having arterial feeders from cortical branches of the left middle cerebral artery.